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🇷🇺 RU1 malware familyExploits CVEs in the wild

Shadow-Earth-066

Also known asshadow_earth_066
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OPERATIONAL PROFILE

Targeting

Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.

Who they target

Sectors the actor has been observed targeting.

  • Government & Administration
  • Public Safety
  • Military

Where they target

Geographies tied to known operations.

  • 🇺🇦 Ukraine

Where they're from

Attributed origin per open-source reporting.

  • RU
MITRE ATT&CK

Tradecraft

9 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.

7 of 15 tactics16 techniques×N= number of intelligence reports citing this technique
MITRE ATT&CK
TA0001
Initial Access
1 technique
T1566
Phishing
T1566.001
Spearphishing Attachment
TA0002
Execution
1 technique
T1203
Exploitation for Client Execution
TA0003
Persistence
1 technique
T1547
Boot or Logon Autostart Execution
T1547.001
Registry Run Keys / Startup Folder
T1547.009
Shortcut Modification
TA0004
Privilege Escalation
1 technique
T1547
Boot or Logon Autostart Execution
T1547.001
Registry Run Keys / Startup Folder
T1547.009
Shortcut Modification
TA0005
Stealth
2 techniques
T1070
Indicator Removal
T1070.004
File Deletion
T1564
Hide Artifacts
T1564.004
NTFS File Attributes
TA0006
Credential Access
2 techniques
T1539
Steal Web Session Cookie
T1555
Credentials from Password Stores
TA0009
Collection
1 technique
T1005
Data from Local System
ARSENAL

Associated malware families

1 malware family attributed to this actor across reporting.

FamilyContextEvidenceLast seen
GIFTEDCROOKShadow-Earth-066 — tracked as UAC-0226 by Ukraine's Computer Emergency Response Team (CERT-UA) — used the vulnerability to deploy an updated version of the GiftedCrook information stealer, which collects credentials and documents and then deletes itself from the compromised system.1Jun 9, 2026
WEAPONIZED

Associated vulnerabilities

1 CVE this actor has used in observed campaigns. 1 of them exploited in the wild.

CVE-2025-8088WinRAR for Windows Path Traversal via NTFS Alternate Data StreamsIn the wildEvidence1

At least two Russia-aligned threat clusters have exploited a high-severity WinRAR flaw ... tracked as CVE-2025-8088 ... patched in WinRAR 7.13 in July 2025. CVE-2025-8088 is a path traversal vulnerability affecting the Windows version of WinRAR that allows attackers to execute arbitrary code.

ACTIVITY FEED

Recent activity

1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

1 SOURCESView more in app
What this page doesn’t show

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Target overlap

Match sector + geo + tech-stack targeting against your real footprint.

Tradecraft mapping9

Every observed MITRE ATT&CK technique, grouped by tactic.

Malware arsenal1

Families this actor is known to deploy, with IOCs and behavior.

Exploited CVEs1

CVEs this actor has used in known campaigns.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Observables

Domains, IPs, and hashes tied to this actor, refreshed continuously.